./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2c75dca6200a745b1e9a10165d81ba987342ada267360da9c3346293958a99c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:39:56,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:39:56,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:39:56,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:39:56,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:39:56,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:39:56,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:39:56,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:39:56,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:39:56,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:39:56,477 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:39:56,478 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:39:56,478 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:39:56,479 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:39:56,479 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:39:56,480 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:39:56,480 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:39:56,481 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:39:56,481 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:39:56,482 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:39:56,482 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:39:56,483 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:39:56,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:39:56,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:39:56,485 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:39:56,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:39:56,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:39:56,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:39:56,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:39:56,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:39:56,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:39:56,487 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:39:56,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:39:56,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:39:56,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:39:56,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:39:56,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:39:56,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:39:56,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:39:56,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:39:56,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:39:56,490 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:39:56,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:39:56,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:39:56,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:39:56,491 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:39:56,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:39:56,491 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c75dca6200a745b1e9a10165d81ba987342ada267360da9c3346293958a99c [2023-12-02 19:39:56,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:39:56,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:39:56,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:39:56,737 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:39:56,737 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:39:56,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i [2023-12-02 19:39:59,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:39:59,686 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:39:59,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i [2023-12-02 19:39:59,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/data/e83b7ce87/c6346e194df74530968ef7b1014d2590/FLAGb91ec172e [2023-12-02 19:39:59,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/data/e83b7ce87/c6346e194df74530968ef7b1014d2590 [2023-12-02 19:39:59,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:39:59,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:39:59,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:39:59,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:39:59,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:39:59,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:39:59" (1/1) ... [2023-12-02 19:39:59,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b2805e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:59, skipping insertion in model container [2023-12-02 19:39:59,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:39:59" (1/1) ... [2023-12-02 19:39:59,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:39:59,871 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i[917,930] [2023-12-02 19:39:59,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:39:59,961 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:39:59,974 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i[917,930] [2023-12-02 19:40:00,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:40:00,029 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:40:00,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00 WrapperNode [2023-12-02 19:40:00,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:40:00,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:40:00,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:40:00,031 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:40:00,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,101 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-12-02 19:40:00,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:40:00,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:40:00,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:40:00,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:40:00,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:40:00,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:40:00,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:40:00,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:40:00,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (1/1) ... [2023-12-02 19:40:00,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:40:00,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:40:00,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:40:00,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:40:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:40:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:40:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:40:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:40:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:40:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:40:00,315 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:40:00,318 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:40:00,688 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:40:00,910 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:40:00,910 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:40:00,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:40:00 BoogieIcfgContainer [2023-12-02 19:40:00,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:40:00,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:40:00,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:40:00,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:40:00,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:39:59" (1/3) ... [2023-12-02 19:40:00,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a4a4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:40:00, skipping insertion in model container [2023-12-02 19:40:00,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00" (2/3) ... [2023-12-02 19:40:00,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a4a4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:40:00, skipping insertion in model container [2023-12-02 19:40:00,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:40:00" (3/3) ... [2023-12-02 19:40:00,920 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-28.i [2023-12-02 19:40:00,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:40:00,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:40:00,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:40:00,984 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49b91428, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:40:00,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:40:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 19:40:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 19:40:00,999 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:40:01,000 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:40:01,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:40:01,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:40:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1011108233, now seen corresponding path program 1 times [2023-12-02 19:40:01,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:40:01,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841625833] [2023-12-02 19:40:01,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:40:01,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:40:01,159 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:40:01,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912270112] [2023-12-02 19:40:01,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:40:01,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:40:01,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:40:01,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:40:01,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:40:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:40:01,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:40:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:40:01,815 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:40:01,817 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:40:01,818 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:40:01,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:40:02,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 19:40:02,026 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:40:02,030 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:40:02,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:40:02 BoogieIcfgContainer [2023-12-02 19:40:02,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:40:02,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:40:02,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:40:02,127 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:40:02,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:40:00" (3/4) ... [2023-12-02 19:40:02,130 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:40:02,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:40:02,132 INFO L158 Benchmark]: Toolchain (without parser) took 2422.61ms. Allocated memory was 201.3MB in the beginning and 245.4MB in the end (delta: 44.0MB). Free memory was 160.4MB in the beginning and 146.2MB in the end (delta: 14.2MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-12-02 19:40:02,133 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 166.2MB in the end (delta: 17.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:40:02,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.88ms. Allocated memory is still 201.3MB. Free memory was 160.4MB in the beginning and 144.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 19:40:02,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.55ms. Allocated memory is still 201.3MB. Free memory was 144.3MB in the beginning and 138.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:40:02,135 INFO L158 Benchmark]: Boogie Preprocessor took 54.42ms. Allocated memory is still 201.3MB. Free memory was 138.0MB in the beginning and 135.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:40:02,135 INFO L158 Benchmark]: RCFGBuilder took 754.88ms. Allocated memory was 201.3MB in the beginning and 245.4MB in the end (delta: 44.0MB). Free memory was 134.6MB in the beginning and 195.5MB in the end (delta: -60.9MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-12-02 19:40:02,136 INFO L158 Benchmark]: TraceAbstraction took 1211.69ms. Allocated memory is still 245.4MB. Free memory was 195.5MB in the beginning and 146.2MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-12-02 19:40:02,136 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 245.4MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:40:02,139 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 166.2MB in the end (delta: 17.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.88ms. Allocated memory is still 201.3MB. Free memory was 160.4MB in the beginning and 144.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.55ms. Allocated memory is still 201.3MB. Free memory was 144.3MB in the beginning and 138.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.42ms. Allocated memory is still 201.3MB. Free memory was 138.0MB in the beginning and 135.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 754.88ms. Allocated memory was 201.3MB in the beginning and 245.4MB in the end (delta: 44.0MB). Free memory was 134.6MB in the beginning and 195.5MB in the end (delta: -60.9MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1211.69ms. Allocated memory is still 245.4MB. Free memory was 195.5MB in the beginning and 146.2MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 245.4MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 155, overapproximation of shiftLeft at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 155, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_2 = 8; [L24] unsigned char var_1_3 = 50; [L25] unsigned short int var_1_4 = 1; [L26] unsigned short int var_1_5 = 16; [L27] unsigned char var_1_6 = 4; [L28] unsigned char var_1_7 = 2; [L29] unsigned char var_1_8 = 128; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 100; [L32] signed short int var_1_11 = 10; [L33] unsigned char var_1_12 = 1; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] signed long int var_1_15 = 128; [L37] unsigned char var_1_16 = 128; [L38] unsigned char var_1_17 = 5; [L39] double var_1_18 = 3.6; [L40] double var_1_19 = 31.45; [L41] float var_1_20 = 50.25; [L42] float var_1_21 = 9.8; [L43] float var_1_22 = 4.65; [L44] float var_1_23 = 99.65; [L45] unsigned char var_1_24 = 32; [L159] isInitial = 1 [L160] FCALL initially() [L161] COND TRUE 1 [L162] FCALL updateLastVariables() [L163] CALL updateVariables() [L101] var_1_2 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_3=50, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L104] var_1_3 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=1, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L107] var_1_4 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=16, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L110] var_1_5 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L113] var_1_7 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_8=128, var_1_9=0] [L115] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=128, var_1_9=0] [L116] var_1_8 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_9=0] [L118] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L119] var_1_9 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1] [L121] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L122] var_1_10 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L124] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L125] var_1_12 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L127] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L128] var_1_13 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L130] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L131] var_1_14 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L133] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L134] var_1_16 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L136] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L137] var_1_17 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L139] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L140] var_1_19 = __VERIFIER_nondet_double() [L141] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L142] var_1_21 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L144] var_1_22 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L146] var_1_23 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_24=32, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L148] var_1_24 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L150] CALL assume_abort_if_not(var_1_24 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_24 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=0, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=1, var_1_9=0] [L163] RET updateVariables() [L164] CALL step() [L49] unsigned char stepLocal_0 = var_1_3; [L50] COND FALSE !(var_1_2 <= stepLocal_0) [L53] signed long int stepLocal_1 = 5; [L54] COND TRUE var_1_1 < stepLocal_1 [L55] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) [L59] unsigned char stepLocal_2 = var_1_14; [L60] COND TRUE \read(var_1_12) [L61] COND FALSE !(\read(var_1_13)) [L68] var_1_11 = var_1_8 [L73] unsigned char stepLocal_3 = var_1_2; [L74] COND FALSE !(stepLocal_3 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) [L77] var_1_15 = var_1_6 [L79] EXPR 200 << var_1_1 [L79] signed long int stepLocal_4 = (200 << var_1_1) * (var_1_17 * var_1_7); [L80] COND TRUE stepLocal_4 < var_1_11 [L81] var_1_18 = var_1_19 [L83] unsigned char stepLocal_5 = var_1_24; [L84] COND FALSE !(\read(var_1_13)) [L97] var_1_20 = var_1_23 [L164] RET step() [L165] CALL, EXPR property() [L155] EXPR (((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1) [L155] EXPR 200 << var_1_1 [L155] EXPR (((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1) [L155-L156] return ((((((var_1_2 <= var_1_3) ? (var_1_1 == ((unsigned short int) ((((((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) > (var_1_5)) ? (((((var_1_2) < (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))))) : (var_1_5))))) : 1) && ((var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((var_1_4 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + var_1_6))) ? (var_1_8) : ((var_1_10 + var_1_6)))))) : (var_1_11 == ((signed short int) var_1_3))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) var_1_2)))) && ((var_1_2 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_5 - var_1_2)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_5 - var_1_2)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_6)))) && ((((200 << var_1_1) * (var_1_17 * var_1_7)) < var_1_11) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_24 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L165] RET, EXPR property() [L165] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=4, var_1_20=3, var_1_22=0, var_1_23=3, var_1_24=0, var_1_2=129, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=128, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=4, var_1_20=3, var_1_22=0, var_1_23=3, var_1_24=0, var_1_2=129, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 19:40:02,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2c75dca6200a745b1e9a10165d81ba987342ada267360da9c3346293958a99c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:40:04,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:40:04,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:40:04,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:40:04,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:40:04,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:40:04,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:40:04,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:40:04,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:40:04,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:40:04,255 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:40:04,255 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:40:04,256 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:40:04,256 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:40:04,257 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:40:04,257 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:40:04,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:40:04,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:40:04,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:40:04,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:40:04,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:40:04,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:40:04,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:40:04,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:40:04,262 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:40:04,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:40:04,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:40:04,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:40:04,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:40:04,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:40:04,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:40:04,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:40:04,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:40:04,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:40:04,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:40:04,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:40:04,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:40:04,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:40:04,267 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:40:04,267 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:40:04,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:40:04,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:40:04,268 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:40:04,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:40:04,268 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c75dca6200a745b1e9a10165d81ba987342ada267360da9c3346293958a99c [2023-12-02 19:40:04,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:40:04,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:40:04,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:40:04,583 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:40:04,583 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:40:04,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i [2023-12-02 19:40:07,382 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:40:07,620 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:40:07,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i [2023-12-02 19:40:07,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/data/b96967d46/7b7ed20596894bcda1f457f33e6e5b97/FLAG5a0789972 [2023-12-02 19:40:07,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/data/b96967d46/7b7ed20596894bcda1f457f33e6e5b97 [2023-12-02 19:40:07,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:40:07,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:40:07,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:40:07,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:40:07,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:40:07,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:40:07" (1/1) ... [2023-12-02 19:40:07,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f7de6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:07, skipping insertion in model container [2023-12-02 19:40:07,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:40:07" (1/1) ... [2023-12-02 19:40:07,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:40:07,847 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i[917,930] [2023-12-02 19:40:07,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:40:07,926 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:40:07,939 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-28.i[917,930] [2023-12-02 19:40:07,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:40:08,013 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:40:08,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08 WrapperNode [2023-12-02 19:40:08,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:40:08,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:40:08,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:40:08,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:40:08,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,079 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-12-02 19:40:08,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:40:08,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:40:08,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:40:08,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:40:08,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:40:08,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:40:08,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:40:08,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:40:08,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (1/1) ... [2023-12-02 19:40:08,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:40:08,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:40:08,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:40:08,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:40:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:40:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:40:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:40:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:40:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:40:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:40:08,272 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:40:08,274 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:40:09,310 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:40:09,352 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:40:09,352 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:40:09,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:40:09 BoogieIcfgContainer [2023-12-02 19:40:09,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:40:09,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:40:09,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:40:09,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:40:09,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:40:07" (1/3) ... [2023-12-02 19:40:09,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6f0940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:40:09, skipping insertion in model container [2023-12-02 19:40:09,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:08" (2/3) ... [2023-12-02 19:40:09,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6f0940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:40:09, skipping insertion in model container [2023-12-02 19:40:09,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:40:09" (3/3) ... [2023-12-02 19:40:09,362 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-28.i [2023-12-02 19:40:09,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:40:09,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:40:09,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:40:09,448 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7f4fa4f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:40:09,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:40:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 19:40:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-02 19:40:09,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:40:09,471 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:40:09,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:40:09,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:40:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash -732933107, now seen corresponding path program 1 times [2023-12-02 19:40:09,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:40:09,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475465880] [2023-12-02 19:40:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:40:09,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:40:09,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:40:09,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:40:09,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 19:40:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:40:09,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:40:09,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:40:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 974 proven. 0 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2023-12-02 19:40:09,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:40:09,908 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:40:09,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475465880] [2023-12-02 19:40:09,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475465880] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:40:09,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:40:09,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:40:09,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347588468] [2023-12-02 19:40:09,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:40:09,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:40:09,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:40:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:40:09,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:40:09,959 INFO L87 Difference]: Start difference. First operand has 79 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-02 19:40:10,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:40:10,398 INFO L93 Difference]: Finished difference Result 155 states and 278 transitions. [2023-12-02 19:40:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:40:10,411 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 194 [2023-12-02 19:40:10,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:40:10,418 INFO L225 Difference]: With dead ends: 155 [2023-12-02 19:40:10,418 INFO L226 Difference]: Without dead ends: 77 [2023-12-02 19:40:10,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:40:10,425 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 19:40:10,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 19:40:10,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-02 19:40:10,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-02 19:40:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 19:40:10,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 119 transitions. [2023-12-02 19:40:10,465 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 119 transitions. Word has length 194 [2023-12-02 19:40:10,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:40:10,466 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 119 transitions. [2023-12-02 19:40:10,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-02 19:40:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 119 transitions. [2023-12-02 19:40:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-02 19:40:10,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:40:10,471 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:40:10,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:40:10,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:40:10,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:40:10,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:40:10,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1361344277, now seen corresponding path program 1 times [2023-12-02 19:40:10,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:40:10,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195624031] [2023-12-02 19:40:10,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:40:10,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:40:10,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:40:10,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:40:10,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99829829-387a-4474-afc3-27aa7b206150/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 19:40:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:40:11,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 19:40:11,121 INFO L285 TraceCheckSpWp]: Computing forward predicates...